RU2007121848A - SODIUM PERCARBONATE PARTICLES Possessing a Shell Layer Including Thiosulfate - Google Patents

SODIUM PERCARBONATE PARTICLES Possessing a Shell Layer Including Thiosulfate Download PDF

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Publication number
RU2007121848A
RU2007121848A RU2007121848/15A RU2007121848A RU2007121848A RU 2007121848 A RU2007121848 A RU 2007121848A RU 2007121848/15 A RU2007121848/15 A RU 2007121848/15A RU 2007121848 A RU2007121848 A RU 2007121848A RU 2007121848 A RU2007121848 A RU 2007121848A
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sodium percarbonate
particles
shell layer
sodium
thiosulfate
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RU2007121848/15A
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Russian (ru)
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RU2355628C2 (en
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Клаус ЦИММЕРМАНН (DE)
Клаус Циммерманн
Харальд ЯКОБ (DE)
Харальд Якоб
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Дегусса ГмбХ (DE)
Дегусса Гмбх
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/10—Peroxyhydrates; Peroxyacids or salts thereof containing carbon
    • C01B15/106—Stabilisation of the solid compounds, subsequent to the preparation or to the crystallisation, by additives or by coating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
    • C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Detergent Compositions (AREA)

Abstract

Coated sodium percarbonate particles, having an inner shell layer which comprises at least one inorganic, hydrate-forming salt as the main constituent, and an outer shell layer which comprises an alkali metal thiosulfate, an alkaline earth metal thiosulfate and/or an ammonium thiosulfate, are stable to storage and have an improved storage stability in detergents and cleaning agents. Detergents and cleaning agents which comprise such sodium percarbonate particles show a reduced oxidative attack on oxidation-sensitive constituents of the composition during storage. Machine dishwashing agents in the form of tablets which comprise such sodium percarbonate particles and a corrosion protection agent for silver show a reduced yellowing of the tablets during storage.

Claims (23)

1. Частицы перкарбоната натрия с покрытием, включающие а) сердцевину из перкарбоната натрия, б) внутренний оболочный слой, включающий в качестве основного компонента по меньшей мере одну неорганическую гидратобразующую соль, и в) внешний оболочный слой, включающий тиосульфат щелочного металла, тиосульфат щелочно-земельного металла и/или тиосульфат аммония.1. Particles of coated sodium percarbonate, comprising a) a core of sodium percarbonate, b) an inner shell layer comprising at least one inorganic hydrate salt as a main component, and c) an outer shell layer comprising an alkali metal thiosulfate, an alkali thiosulfate ground metal and / or ammonium thiosulfate. 2. Частицы перкарбоната натрия по п.1, отличающиеся тем, что сердцевина изготовлена гранулированием с выращиванием гранул в псевдоожиженном слое или кристаллизацией.2. Particles of sodium percarbonate according to claim 1, characterized in that the core is made by granulation with growing granules in a fluidized bed or crystallization. 3. Частицы перкарбоната натрия по п.1, отличающиеся тем, что количество материала внутреннего оболочного слоя в частицах перкарбоната натрия с покрытием находится в интервале от 0,1 до 10 мас.%.3. Particles of sodium percarbonate according to claim 1, characterized in that the amount of material of the inner shell layer in the particles of sodium percarbonate coated is in the range from 0.1 to 10 wt.%. 4. Частицы перкарбоната натрия по п.1, отличающиеся тем, что количество неорганической гидратобразующей соли во внутреннем оболочном слое составляет по меньшей мере 50 мас.%.4. Particles of sodium percarbonate according to claim 1, characterized in that the amount of inorganic hydrate-forming salt in the inner shell layer is at least 50 wt.%. 5. Частицы перкарбоната натрия по п.1, отличающиеся тем, что неорганическую гидратобразующую соль внутреннего оболочного слоя выбирают из сульфата натрия, карбоната натрия, бикарбоната натрия и сульфата магния, а также смесей или смешанных солей этих соединений.5. Particles of sodium percarbonate according to claim 1, characterized in that the inorganic hydrate-forming salt of the inner shell layer is selected from sodium sulfate, sodium carbonate, sodium bicarbonate and magnesium sulfate, as well as mixtures or mixed salts of these compounds. 6. Частицы перкарбоната натрия по п.5, отличающиеся тем, что в качестве неорганической гидратобразующей соли внутренний оболочный слой включает сульфат натрия.6. Sodium percarbonate particles according to claim 5, characterized in that the inner shell layer comprises sodium sulfate as an inorganic hydrate-forming salt. 7. Частицы перкарбоната натрия по п.6, отличающиеся тем, что внутренний оболочный слой состоит из сульфата натрия.7. Particles of sodium percarbonate according to claim 6, characterized in that the inner shell layer consists of sodium sulfate. 8. Частицы перкарбоната натрия по п.1, отличающиеся тем, что количество материала внешнего оболочного слоя в частицах перкарбоната натрия с покрытием находится в интервале от 0,1 до 10 мас.%.8. Particles of sodium percarbonate according to claim 1, characterized in that the amount of material of the outer shell layer in the particles of sodium percarbonate coated is in the range from 0.1 to 10 wt.%. 9. Частицы перкарбоната натрия по п.1, отличающиеся тем, что содержание тиосульфата щелочного металла, тиосульфата щелочноземельного металла и/или тиосульфата аммония во внешнем оболочном слое составляет по меньшей мере 50 мас.%.9. Particles of sodium percarbonate according to claim 1, characterized in that the content of alkali metal thiosulfate, alkaline earth metal thiosulfate and / or ammonium thiosulfate in the outer shell layer is at least 50 wt.%. 10. Частицы перкарбоната натрия по п.1, отличающиеся тем, что внешний оболочный слой включает тиосульфат натрия.10. Particles of sodium percarbonate according to claim 1, characterized in that the outer shell layer includes sodium thiosulfate. 11. Частицы перкарбоната натрия по п.10, отличающиеся тем, что внешний оболочный слой состоит из тиосульфата натрия.11. Particles of sodium percarbonate according to claim 10, characterized in that the outer shell layer consists of sodium thiosulfate. 12. Частицы перкарбоната натрия по п.1, отличающиеся тем, что они обладают дополнительным оболочным слоем, который в качестве основного компонента включает силикат щелочного металла, обладающий модулем SiO2 к оксиду щелочного металла больше 2,5.12. The particles of sodium percarbonate according to claim 1, characterized in that they have an additional shell layer, which as the main component includes an alkali metal silicate having a SiO 2 module to an alkali metal oxide of more than 2.5. 13. Частицы перкарбоната натрия по п.1, отличающиеся тем, что они содержат на своей поверхности от 0,01 до 1 мас.%, предпочтительно от 0,1 до 0,5 мас.%, гидрофобизированного тонкодисперсного оксида элемента Si, Al или Ti или смешанного оксида этих элементов.13. Particles of sodium percarbonate according to claim 1, characterized in that they contain on their surface from 0.01 to 1 wt.%, Preferably from 0.1 to 0.5 wt.%, Hydrophobized finely divided oxide of the element Si, Al or Ti or mixed oxide of these elements. 14. Частицы перкарбоната натрия по п.13, отличающиеся тем, что тонкодисперсный оксид представляет собой гидрофобизированный пирогенетический или осажденный диоксид кремния.14. Particles of sodium percarbonate according to item 13, wherein the finely divided oxide is a hydrophobized pyrogenetic or precipitated silicon dioxide. 15. Способ получения частиц перкарбоната натрия с покрытием, включающий следующие стадии:15. The method of obtaining particles of sodium percarbonate coated, comprising the following stages: а) нанесение внутреннего оболочного слоя на сердцевинный материал из перкарбоната натрия опрыскиванием водным раствором, в котором растворяют по меньшей мере одну гидратобразующую неорганическую соль, иa) applying an inner shell layer to the core material of sodium percarbonate by spraying with an aqueous solution in which at least one hydrate-forming inorganic salt is dissolved, and б) нанесение на покрытый материал со стадии а) внешнего оболочного слоя опрыскиванием водным раствором, в котором растворяют по меньшей мере один тиосульфат щелочного металла, тиосульфат щелочно-земельного металла и/или тиосульфат аммония.b) applying to the coated material from step a) the outer shell layer by spraying with an aqueous solution in which at least one alkali metal thiosulfate, alkaline earth metal thiosulfate and / or ammonium thiosulfate are dissolved. 16. Способ по п.15, отличающиеся тем, что сердцевинный материал готовят гранулированием с выращиванием гранул в псевдоожиженном слое путем опрыскивания частиц перкарбоната натрия водным раствором пероксида водорода и водным раствором соды в псевдоожиженном слое и одновременно выпаривания воды.16. The method according to clause 15, characterized in that the core material is prepared by granulation with growing granules in a fluidized bed by spraying sodium percarbonate particles with an aqueous solution of hydrogen peroxide and an aqueous solution of soda in a fluidized bed and simultaneously evaporating water. 17. Способ по п.15 или п.16, отличающиеся тем, что на стадиях а) и б) нанесение оболочного слоя проводят опрыскиванием в псевдоожиженном слое и во время нанесения оболочного слоя выпаривают больше 90% воды, содержащейся в водных растворах.17. The method according to p. 15 or p. 16, characterized in that at stages a) and b) the application of the shell layer is carried out by spraying in a fluidized bed and more than 90% of the water contained in aqueous solutions is evaporated during the application of the shell layer. 18. Применение частиц перкарбоната натрия по одному из пп.1-14 в качестве эффективного химически отбеливающего компонента в моющих и очищающих средствах.18. The use of sodium percarbonate particles according to one of claims 1 to 14 as an effective chemically bleaching component in detergents and cleaners. 19. Моющие и очищающие средства, включающие частицы перкарбоната натрия по одному из пп.1-14.19. Detergents and cleansers, including particles of sodium percarbonate according to one of claims 1 to 14. 20. Моющее и очищающее средство по п.19, отличающееся тем, что оно включает от 1 до 40 мас.% частиц перкарбоната натрия.20. Detergent and cleanser according to claim 19, characterized in that it comprises from 1 to 40 wt.% Particles of sodium percarbonate. 21. Моющее и очищающее средство по п.19 или 20, отличающееся тем, что оно включает прессованные формованные тела, а компонентом этих прессованных формованных тел являются частицы перкарбоната натрия.21. Detergent and cleanser according to claim 19 or 20, characterized in that it includes extruded molded bodies, and sodium percarbonate particles are a component of these extruded molded bodies. 22. Посудомоечное средство в форме таблеток, включающее средство защиты серебра от коррозии, отличающееся тем, что таблетки включают частицы перкарбоната натрия по одному из пп.1-14.22. A dishwasher in the form of tablets, including a means of protecting silver from corrosion, characterized in that the tablets include particles of sodium percarbonate according to one of claims 1 to 14. 23. Посудомоечное средство по п.22, отличающееся тем, что в качестве средства защиты серебра от коррозии оно включает одно или несколько соединений из ряда, включающего триазолы, бензотриазолы, бисбензотриазолы, аминотриазолы, алкиламинотриазолы и/или один или несколько комплексов переходных металлов этих соединений.23. Dishwasher according to claim 22, characterized in that as a means of protecting silver from corrosion, it includes one or more compounds of the series including triazoles, benzotriazoles, bisbenzotriazoles, aminotriazoles, alkylaminotriazoles and / or one or more transition metal complexes of these compounds .
RU2007121848/15A 2004-11-11 2005-10-12 Sodium percarbonate particles possessing shell layer including thiosulphate RU2355628C2 (en)

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DE102004054495A DE102004054495A1 (en) 2004-11-11 2004-11-11 Sodium percarbonate particles with a thiosulfate containing shell layer
DE102004054495.6 2004-11-11

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RU2355628C2 RU2355628C2 (en) 2009-05-20

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US (1) US7718592B2 (en)
EP (1) EP1807344B1 (en)
JP (1) JP2008519747A (en)
KR (1) KR100885831B1 (en)
CN (1) CN101056819A (en)
AT (1) ATE519709T1 (en)
BR (1) BRPI0517707A (en)
CA (1) CA2586920A1 (en)
DE (1) DE102004054495A1 (en)
MX (1) MX2007005564A (en)
RU (1) RU2355628C2 (en)
WO (1) WO2006050778A1 (en)

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US20080045436A1 (en) 2008-02-21
US7718592B2 (en) 2010-05-18
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RU2355628C2 (en) 2009-05-20
CA2586920A1 (en) 2006-05-18
WO2006050778A1 (en) 2006-05-18
KR20070060155A (en) 2007-06-12
EP1807344B1 (en) 2011-08-10
BRPI0517707A (en) 2008-10-21
ATE519709T1 (en) 2011-08-15
JP2008519747A (en) 2008-06-12

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